Integer overflow in Google Chromium - CVE-2026-11290

Vulnerability identifier: #VU133876

CSH Severity: Low

CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-11290

CWE-ID: CWE-190

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to crash the browser.

The vulnerability exists due to a integer overflow in WebView in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and crash the browser.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 149.0.7827.53
Microsoft Edge - update to 149.0.4022.53
Google Chrome - update to 149.0.7827.53
chromium (Debian package) - addressed in versions 149.0.7827.53-1~deb12u1, 149.0.7827.53-1~deb13u1

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
• https://crbug.com/502264647

• Debian update for chromium
• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge